Category Archives: Machine Tools

Rebuild of a single cylinder press-pin crankshaft – How I do it.

A step by step explanation of how I rebuild simple crankshafts. -Jeff Henise

The Highwayman F37 a custom, purpose-built vintage road racer, Part I

rep3

This story highlights the creation of a road race engine from the fusion of two different enduro motors, as well as the design and fabrication of a custom racing chassis to house the “franken-motor.”

Expansion chambers for an airplane!?

Cricri featured

When I got a call to make a set of expansion chambers for “The world’s smallest manned twin engine airplane” I just could not resist!

The Colomban Cri-cri (or Cricket) was designed in the early 1970’s by Michel Colomban. Since then many renditions have been built. Most Cri-cri aircraft are powered by two single-cylinder 2-stroke engines making 9-15 HP each. However this Cri-cri is special in that it has two twin-cylinder 2-strokes as the power plants!